Douglas E Cash

Title: Douglas E. Cash and Gas Treatment Innovation.

Introduction

Douglas E. Cash is an inventor associated with San Antonio, Texas, and Streamline Innovations GmbH. His patent work addresses the treatment of gas contaminated with hydrogen sulfide, a compound associated with unpleasant odors and other operational concerns.

Latest Patents

Cash is credited with 1 patent: “System and Method of Treatment of Gas Contaminated with Hydrogen Sulfide and the Reduction of Hydrogen Sulfide Associated Odor.” The invention describes contacting an influent gas stream containing oxygen and hydrogen sulfide with an aqueous stream containing an available metal chelant, using an eductor. The resulting stream includes sulfur and treated gas with a lower hydrogen sulfide concentration, along with metal-chelant components. A common vessel supports further treatment steps, including reducing a metal in the available chelant and using oxygen to oxidize unavailable chelant, thereby regenerating the aqueous stream.

Career Highlights

Cash’s documented patent contribution focuses on a process that combines gas treatment and chelant regeneration. The approach is designed to reduce hydrogen sulfide in gas while supporting reuse of the treatment solution.

Collaborations

Cash is associated with Streamline Innovations GmbH and is identified as a coworker of John C. Bourdon. Their shared professional context connects Cash’s patented gas-treatment work with the company’s innovation activities.

Conclusion

Douglas E. Cash’s patent describes an integrated method for reducing hydrogen sulfide in gas and regenerating a metal-chelant treatment stream, highlighting his contribution to gas-treatment innovation.